PRELIMINARY DESIGN REQUIREMENTS ARGONNE BOILING REACTOR (ARBOR) FACILITY. Revision I Page: 78 of 161
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(2) One indicating millivoltmeter for reactor period
indication. High and low alarm contacts will be provided as in (1) above.
(Meter is to be located on control console.)
(3) Two continuously indicating strip chart millivolt
recorders, one linear and one logarithmic, are to be provided for ioni-
zation chamber amplifiers.
(4) Means for recording control rod positions. A
numerical printing type device should be considered.
d. Primary System
The various primary system signals to be indicated
or recorded are listed below. The type of indication or record associated
with the signal is noted; in the case where a signal is used for control, the
controlled component is listed. Measurements associated with primary
system steam flows and forced-circulation water flows and inlet subcooling
require special care in the selection of the measuring device and recorder
in order to assure highest attainable accuracy within the limits of practical
In several cases the controller output may be used for
control of more than one function; these controllers will deliver their out-
put to the Parameter Control Jack Board described above.
(1) Reactor Pressure-Reactor pressure will be
measured at the top of the reactor water column and continuously recorded
on a linear scale strip chart recorder. Reactor pressure will be used as
a multiple control function and a signal will go to the Jack Board. The pres-
sure recorder will have adjustable high and low alarm contacts which will
be used for shut-down purposes and indicated on the shut-down annunciator.
(2) Reactor Temperature -Reactor temperature will
be measured at a point on each of the steam lines close to the pressure
vessel. This signal will be continuously indicated and will be used also to
actuate adjustable high and low alarm contacts for shut-down annunciator
(3) Reactor Water Level - Reactor water level will be
measured by both differential pressure and float-type devices. Two float
devices will be installed, one at the top and other at the bottom of a water
column connected to and adjacent to the reactor vessel, which will actuate
fixed high and low alarm contacts for shut-down annunciator actuation. The
differential pressure, which will be measured by a differential pressure
gage connected to the water column, will be continuously recorded on a
24-hr circular chart recorder with adjustable high and low alarm contacts
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Fromm, L.W.; Bernsen, S.A.; Bullinger, C.F. & Matousek, J.F. PRELIMINARY DESIGN REQUIREMENTS ARGONNE BOILING REACTOR (ARBOR) FACILITY. Revision I, report, July 15, 1957; Lemont, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1023272/m1/78/: accessed March 22, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.